Finding the Fourth Proportional to 1,404.33, 1,935.96 and 1,089.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.33 : 1,935.96 = 1,089.03 : x
2. Step 2: Convert to fraction form
   1,404.33/1,935.96 = 1,089.03/x
3. Step 3: Cross multiply
   1,404.33x = 1,935.96 × 1,089.03
4. Step 4: Simplify right side
   1,404.33x = 2,108,318.52
5. Step 5: Solve for x
   x = 2,108,318.52/1,404.33
6. Step 6: Final answer
   x = 1,501.30